18210780902979808

Names of 18210780902979808

• Cardinal: 18210780902979808 can be written as Eighteen quadrillion, two hundred ten trillion, seven hundred eighty billion, nine hundred two million, nine hundred seventy-nine thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.8210780902979808 × 10¹⁶

Factors of 18210780902979808

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 70928

Divisors of 18210780902979808

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 8 11 13 16 22 26 32 44 52 61 88 104 122 143 169 176 208 244 286 338 352 416 488 572 671 676 793 976 1144 1342 1352 1586 1859 1952 2288 2684 2704 3172 3718 4576 5368 5408 6344 7436 8723 10309 10736 12688 14872 17446 20618 21472 25376 29744 34892 41236 59488 69784 70841 82472 113399 139568 141682 164944 226798 279136 283364 329888 453596 566728 779251 907192 920933 1133456 1558502 1814384 1841866 2266912 3117004 3628768 3683732 4321301 6234008 7367464 8642602 10130263 11972129 12468016 14734928 17285204 20260526 23944258 24936032 29469856 34570408 40521052 47534311 47888516 56176913 69140816 81042104 95068622 95777032 112353826 131693419 138281632 162084208 190137244 191554064 224707652 263386838 324168416 380274488 383108128 449415304 526773676 617946043 730299869 760548976 898830608 1053547352 1235892086 1460599738 1521097952 1797661216 2107094704 2471784172 2921199476 4214189408 4943568344 5018447281 5842398952 8033298559 9887136688 10036894562 11684797904 16066597118 19774273376 20073789124 23369595808 32133194236 40147578248 55202920091 64266388472 65239814653 80295156496 110405840182 128532776944 130479629306 160590312992 220811680364 257065553888 260959258612 306125284141 441623360728 521918517224 612250568282 717637961183 848117590489 883246721456 1043837034448 1224501136564 1435275922366 1696235180978 1766493442912 2087674068896 2449002273128 2870551844732 3367378125551 3392470361956 3979628693833 4898004546256 5741103689464 6734756251102 6784940723912 7959257387666 9329293495379 9796009092512 11482207378928 13469512502204 13569881447824 15918514775332 18658586990758 22964414757856 26939025004408 27139762895648 31837029550664 37317173981516 43775915632163 51735173019829 53878050008816 63674059101328 74634347963032 87551831264326 103470346039658 107756100017632 127348118202656 149268695926064 175103662528652 206940692079316 298537391852128 350207325057304 413881384158632 569086903218119 700414650114608 827762768317264 1138173806436238 1400829300229216 1655525536634528 2276347612872476 4552695225744952 9105390451489904 18210780902979808
• Sum of all divisors σ(n): 43046720607409848
• Sum of proper divisors (its aliquot sum) s(n): 24835939704430040
• 18210780902979808 is an abundant number, because the sum of its proper divisors (24835939704430040) is greater than itself. Its abundance is 6625158801450232

Bases of 18210780902979808

• Binary: 1000000101100101001101111010110110011011111100011100000₂
• Hexadecimal: 0x40B29BD6CDF8E0
• Base-36: 4ZB6L957DGG

Squares and roots of 18210780902979808

• 18210780902979808 squared (18210780902979808²) is 331632541096334071233013655716864
• 18210780902979808 cubed (18210780902979808³) is 6039287546203786863448589567100546694511957082112
• The square root of 18210780902979808 is 134947326.4017476117
• The cube root of 18210780902979808 is 263093.1393044669

Scales and comparisons

• 18,210,780,902,979,808 seconds is equal to 579,046,503 years, 3 weeks, 4 days, 19 hours, 43 minutes, 28 seconds.
• To count from 1 to 18,210,780,902,979,808 would take you about one billion, seven hundred thirty-seven million, one hundred thirty-nine thousand, five hundred nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18210780902979808 cubic inches would be around 21924.4 feet tall.

Recreational maths with 18210780902979808

• 18210780902979808 backwards is 80897920908701281
• The number of decimal digits it has is: 17
• The sum of 18210780902979808's digits is 79
• More coming soon!